Viessmann Vitocal 300-G Installation And Service Instructions For Contractors page 112

Commissioning, inspection, maintenance
Further details regarding the individual steps
Two-stage heat pump
Parameter
Compressor 2:
■ "Enable compressor 5100"
■ "Output compressor stage 2 5130"
External functions
External functions
External demand
External starting of the com-
pressor; mixer in control
mode or OPEN
External changeover of the
operating mode of various
system components
External blocking of compres-
sor and pumps
112
Parameter
Poss. "Internal hydraulics"
Ó
"Flow temperature for
external demand 730C"
"System definition" Ó
"Effect of external demand
on heat pump/heating cir-
cuits 7014"
"System definition" Ó
"System components for
external changeover
7011"
"System definition" Ó
"Operating status for
external changeover
7012"
"System definition" Ó
"Duration of external
changeover 7013"
"System definition" Ó
"Effect of external block-
ing on pumps/compressor
701A"
(cont.)
Setting
"1"
Value corresponding to the
rated heating output of heat
pump stage 2, see type
plate
Setting
Set flow temperature
for external demand
"0" to "7"
(Observe parameter
"Flow temperature
for external demand
730C")
"0" to "10"
"0" to "3"
"0" to "12"
"0" to "31"